1. beginnning algebra

    the perimeter of a triangle is 136m. If the seond side is 8m. more than half the first and the third side is 12m. less than twice the first, find the three sides.
  2. algebra

    The sides of a triangle are in the ratio 5:12:13. What is the length of each side of the triangle if the perimeter of the triangle is 15 in?
  3. englis

    Write 3–4 sentences to your best friend describing what you did today using the natural language you would use to talk to your friend. Then, write to your boss and tell him/her about the same event you described to your friend. Compare the verb choices you made in the two ...
  4. math

    if two triangles are similar, what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle? Thank you anyone who helps :D
  5. Algebra 3

    Suppose you are tossing an apple up to your friend on a third-story balcony. After x seconds the height of the apple is given by h= -16t^2+38.4t+0.96. Your friend catches the apple just as it reaches its highest point. How long does it take for the apple to reach your friend ...
  6. math

    Two of the sides of a right angled triangle are 5m nd 12m.find the length of the third side(there are two possible answers)
  7. math please help

    In a triangle, the lengths of the sides are 3,7,and 8. If the perimeter of a similar triangle is 54, what is the length of the longest side of the larger triangle? *Im not sure on how to begin solving*
  8. science

    Betty is sledding down a hill going 12 m/s. She hits a very steep patch and starts to speed up 1.5 m/s2. How fast will Betty be moving 2 seconds later?
  9. Physics

    A 10 kg block is towed at a 30° incline with respect to the horizontal the rope is parallel to the incline and has attention 100 N assume that the block starts from rest at the bottom of the hill and neglect friction how fast is the block moving after 40 m up the hill
  10. geometry triangles

    The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray ...
  11. Math

    Two sides of a triangle are x + 2cm and 2x-3cm. If the perimeter is 5x + 7cm, what is the third side?
  12. triangles

    The measures of two of the sides of an equilateral triangle are 3x + 15 in. and 7x – 5 in. What is the measure of the third side in inches?
  13. math

    in a isosceles triangle if two equal sides are 3.5 meter each.how long is third side?
  14. Geometry

    If two sides of a triangle have lengths of 1/4 and 1/5, which fraction can NOT be the length of the third side?
  15. geometry

    Two sides of a triangle have lengths 4 and 7. Which of the following can NOT be the length of the third side? A. 4 B. 7 C. 11 D. 5
  16. Maths

    If two sides of a triangle are 6cm and 8cm respectively. What can be the length of other side?
  17. Math

    On a test I was given 2 triangles. One triangle gave measurements of all three sides as 2, 4, and 5. The next triangle had sides given 4 and 8 and it asked what the third side should be if the triangles were perpendicular. How would I solve this? Do I find the perimeter of ...
  18. Algebra

    A square and an equilateral triangle has the same perimeter. Each side of the triangle is 5 m less than twice the length of each side of the square. How long is each side of the square? Define the variables and write a system of equations. Thx! (:
  19. physics

    You and your friend are on the roof of a 20 m tall building investigating a free fall. Your friend releases a small rock from rest. You throw another rock simultaneously with your friend aiming it straight down. (a) What initial speed should you supply to the rock so it hits ...
  20. geography

    The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.
  21. Physics

    Problem 3- A 12 kg stone slides down a snow-covered hill, leaving point A with a speed of 10 m/s . There is no friction on the hill between points A and B, but there is friction on the level ground at the bottom of the hill, between B and the wall. After entering the rough ...
  22. geometry

    the perimeter of a triangle is 59 inches. the longest side is 11 inches longer than the medium side, and the medium side is 3 inches more than the shortest side. Find the length of each side.
  23. Geometry

    Draw a counter example that shows that the statement, "if a segment is parallel to one side of a triangle and intersects two other sides then it must be the midsegment of that triangle" is false. Please explain how i can prove this wrong! Thanks!
  24. Math

    If two triangles are similar,what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle?
  25. math

    If two triangles are similar, what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle?
  26. Trig

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (a) Find the area of triangle PQR. (b) Find the length of the projection of segment PQ onto segment PR. (c) Find the length of segment QR. (d) Find the sizes of the...
  27. Algebra

    A park has a circular pond that has a bridge across its diameter that is 0.75 miles long you walk across the bridge while your friend walk half way around the pond to meet you at the other side of the bridge how much father does your friend walk round your answer to the ...
  28. Physics-Please help explain

    What happens to a rollercoaster's motion in terms of energy when it goes over a second hill that is higher than the first hill.I think it is because the kinetic energy does not have the momentum so when converted into PE, it can't make it over a higher hill. Coorect or all ...
  29. physics

    A sled and rider have a total mass of 58.4 kg. They are on a snowy hill accelerating at 0.4g. The coefficient of kinetic friction between the sled and the snow is 0.17. What is the angle of the hill's slope measured upward from the horizontal? You may find a spreadsheet ...
  30. Algebra

    The sides of a square are one-third as long as the sides of an equilateral triangle. The difference between their perimeters is 20 centimeters. How long is each side of the triangle? Define your variables. Thx
  31. calc

    The differential equation dy dx equals the quotient of x and y squared. will have a slope field with negative slopes in quadrant I will have a slope field with positive slopes in all quadrants will produce a slope field with columns of parallel tangents
  32. Calculus

    Which are true about the differential equation dy/dx = 2x(4-y) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel tangents
  33. Calculus

    1) Which are true about the differential equation dy/dx = (x)/(x-4) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel tangents
  34. Art

    I left out the following sentences. Thank you, Writeacher. 1)He writes to his mum about the incident. 2) He is critical of the war and turns against those who think that it is glorious and fitting to die for one's country. 3) His friend dies because he is not fast enough ...
  35. Health (Ms. Sue)

    1. List five questions you should ask you doctor id you are given a prescription for a medicine. A: You should ask your doctor of what amount is the correct dosage, how many times of the day you will need to partake of the medicine, what the side effects are, whether allergic ...
  36. geometry

    Two sides of a triangle are equal. The third side is 5 inches longer than the one with equal sides. What is the length of the equal sides if the perimeter is 32 inches?
  37. physics

    A projectile is fired and lands t = 14 s later on the side of a hill, at a location 1400 m away horizontally and 420 m above its starting point. Find the projectile's initial horizontal velocity vx0 and initial vertical velocity vy0. Assume g = 10 m/s2.
  38. science

    a turtle has a mass of 10 kilograms and is traveling 5 m/s down a hill. the hill has a height of 35 meters. what is the kinetic energy of the turtle traveling down hill?
  39. Calculus

    dy/dx=x/(x-4) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel tangents
  40. trig

    From the top of a hill 700 ft. high, an observer notes that the angles of depression of two successive markerstones on a level ground, which leads straight away from the hill are 5 degree and 15 degree respectively. Find the distance between the two markerstones.
  41. trigonometry

    From the top of a hill 700 ft high an observer notes that the angles of depression of two successive markerstones on a level ground, which leads straight away from the hill are 5 degree and 15 degree respectively. Find the distance between the two markerstones.
  42. Math

    My problem involves right-triangle trigonometry. A man on a 135-ft vertical cliff looks down at an angle of 16 degrees and sees his friend. How far away is the man from his friend? How far is the friend from the base of the cliff? Does the 16 degrees go to the left of the ...
  43. Math

    In a triangle ABC, with angles A, B, and C and sides AB, BC, and AC, angle B is a right (90°) angle. If the sin of angle A is 0.5 and side BC is 8 inches long, what is the length of side AC?
  44. math

    the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.
  45. Geometry

    The scale factor of triangle DEF to triangle HJK is 5/2. If EF =15 find JK EF : JK = 5 : 2 15 : JK = 5 : 2 15 * 2 = JK * 5 30 = 5(JK) 5(JK) / 5 = 30 / 5 JK = 6 Am I CORRECT ON THIS ONE? Looks like EF and JK are corresponding sides of similar triangles. Each side of DEF is 2.5 ...
  46. jim chavani high

    A cubic block of wood is painted various colours on all the sides.  Each side of the block has the same length of 12cm. This block is now cut into many cubes of equal size of which the sides are now 3cm in length. c) How many cubes could be created from the original block. d...
  47. math

    If the lengths of two sides of a right triangle are 3 and 4, what is the least possible length of the third side?
  48. Maths

    Two sides of a triangle are 10 cm and 15 cm. What is the range of possible lengths for the third side? Write inequality?
  49. algebra

    the lengths of two sides of a right triangle are given. find the length of the third side. a=9,c=41
  50. Geometria

    Two sides of a triangle are 11cm and 16cm what is the range of possible lengths for the third side
  51. math

    Write the following formula (for any triangle abc): - The minimum perimeter value of any triangle (abc) known heights corresponding to the sides a and b. x = side a height (known) y = side b height (known) p = perimeter (unknown) Note: You don't have the area value or any ...
  52. Statistics

    A statistics student hands each of 300 classmates 2 cookies side by side on a plate. Of the 300 students, 171 choose the cookie that’s on their right hand side, and the remaining 129 choose the cookie that’s on their left. The student says, “That’s just like tossing a ...
  53. math and slopes

    Help. Determine the slope of the line. The line whose equation is 3x-2y=8 Solve for y by putting y on one side and everything else on the other. -2y=8-3x. Multiply by -1. 2y = 3x -8 and divide by 2 y=(3/2)x -8/2 or y= (3/2)x -4 The form for a straight line is y = mx + b where ...
  54. math

    Jenifers flower bed is in the shape of a right angle triangle. The shortest side is one/forth of the second shortest side. if the area is 18sqaured what are the lengths of all three sides? I NEED A ANSWER ASAP! PLEASE I NEED ALL THREE SIDES. NOT 2.. :p
  55. Physics

    In a physics study group, a friend says in a profound tone that light is the only thing we can see. After a few laughs, your friend goes on to say that light is produced by the connection between electricity and magnetism. Is your friend correct? My responds is that my friend ...
  56. physics

    A cyclist approaches the bottom of a gradual hill at a speed of 12.4 m/s. The hill is 6.7 m high and the cyclist estimates she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which the cyclist coasts over ...
  57. math

    the base of an isosceles triangle is half as long as side of a square.Each of the legs of triangle is twice as long as a side of the square.How long is each side of the triangle if the sum of the perimeters is 34 m.
  58. algebra 1

    The perimeter of a triangle is 72 cenimeters.the second side is twice as long as the first side.the third side is four centimeters shorter than the second side.how long is the first side?
  59. Math

    For a given right triangle side a=76.4 feet and side b=39.3 What is the length of side c to the nearest tenth of a foot?
  60. 7th grade math

    Write and simplify an expression for the perimeter of the triangle. side A)3x, side B) 5x-4 and side C)2x+5. Thank you!
  61. ALGEBRA

    perimeter = 24 feet triangle that have one side is b =? second side is b =? third side is b - 3 =? How to solve this problem?
  62. Geometry

    The perimeter of a Triangle(MNO) is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4, 5x-3, and 17, and one side of the square is represented by 3x, find the length of a side of the square.
  63. Math

    Answer with Always, Sometimes or Never True. Kindly explain why so that I can understand. Thanks. 1. An interior angle and an exterior angle of a triangle are supplementary. 2. The bisector of an angle of an isosceles triangle is also a perpendicular bisector. 3. The sum of ...
  64. physics

    A 100 kg car is traveling at 20m/s over the top of a circular hill as shown below. The radius of the circle is 200 m. What force does the ground exert on the car at the top of the hill? After reaching the top of the hill, the car descends a vertical distance of 20 m. What is ...
  65. math

    a triangle with side lengths 26, 28, and 30 is constructed so that the longest and shortest sides are tangent to a circle. the third side passes throught the center of the circle. compute the radius of the circle
  66. 7th grade

    Write and simplify an expression for the perimeter of the triangle. side A-4x+3, side B-6X and side C-3x-1. Thank you!
  67. Geometry

    In triangle ABC, side AB = 10, side AC = 13, and side BC = 16. What is the measure of the larges angle in degrees?
  68. Geometry

    stem construct a triangle given side a, altitude to side b, and the median to side c
  69. physics

    A skier starts from rest at the top of a hill that is inclined at 10.3° with the horizontal. The hillside is 210 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged...
  70. Physics

    A skier starts from rest at the top of a hill that is inclined at 9.8° with the horizontal. The hillside is 170 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged. ...
  71. physics

    You and a friend are going to a river, where they have a rope swing. Your friend, who has a mass of 60 kg, hops on the end of the rope. You tug horizontally on your friend with a force of 300 N, pulling them back until you can't move them any more. Then you let go and watch ...
  72. math

    one side of a right triangle has 2cm less than the hypothuse, and 7cm more than the third side what is the lenghnt of each side
  73. math

    determine known length for a triangle one side is 2.5cm other side 1.6cm find how solve the third side
  74. Physics

    A)A 100kg person is riding a 10kg bicycle up a 25degree hill. The hill is long and the coefficient of static friction is 0.9. How much force does the person have to apply in order for her to ride 10m up the hill at constant velocity? B) If the person now starts from rest from ...
  75. Algebra Readiness

    Would a triangle with a vertical length of 6 and a horizontal length of 10 have the same slope as the blue and red triangles shown in the graph? A.) Yes, the slopes would be the same B.) No, the slope of the new triangle would be 2:4 C.) No, the slope of the new triangle would...
  76. physics

    a skier decides to ski down a hill inclined at 12 degrees to the horizontal. He pushes on his poles and starts to slide down the slope. If his initial speed after he stops pushing is 4.7 m/s and us= 0.28, how far will mr.grewal slide down the hill before coming to rest
  77. math

    so if a trapezoid has 4 sides and the top(short) side and the two not parallel sides are all 5 inches long, what are possible lengths for the long (bottom) side? and are there more than 1 possible solution?
  78. Calculus

    1) Find correct to six decimal places root of the equation cos(x)= x for xE[0, pi/2] using Newton's Method. 2) A triangle has two constant lengths of 10 cm and 15 cm. The angle between two constant sides increases at a rate of 9 deg/min. Find the rate of increase of the third ...
  79. Trigonometry

    Let T be a right triangle with a hypotenuse of the length 37. If another side of the triangle is known to be 35, what must the third side of the triangle be?
  80. physics...again :/

    A skier starts from rest at the top of a hill that is inclined at 9.9° with the horizontal. The hillside is 160 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is unchanged. ...
  81. physics

    A skier starts from rest at the top of a hill that is inclined at 11.0° with respect to the horizontal. The hillside is 190 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is...
  82. physics

    A skier starts from rest at the top of a hill that is inclined at 9.5° with respect to the horizontal. The hillside is 225 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is ...
  83. physics

    A skier starts from rest at the top of a hill that is inclined at 9.5° with respect to the horizontal. The hillside is 225 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of friction is ...
  84. physics

    you and your friend are riding on a helicopter that is traveling west at a speed of 10 meters per second. You throw a baseball with a velocity of 2 meters per second north, straight across the inside of the helicopter to your friend on the other side. What is the velocity of ...
  85. Algebra

    The perimeter of a triangle is 126 inches. The longest side is 7 inches longer than the shortest side. The shortest side is 2 inches less than remaining side. Find the length of the shortest side.
  86. Physics

    Suppose you are asked to determine the perimeter of a seven-sided irregular figure. You make the following measurements: Side 1 = 3.2 m Side 2 = 4.8 m Side 3 = 2.000 m Side 4 = 8.94 m Side 5 = 11 m Side 6 = 7.566 m Side 7 = 4.0 m How many significant figures should there be in...
  87. MATH!!!!

    A triangle with side lengths 26, 28, and 30 is constructed so that the longest and shortest sides are tangent to a circle. the third side passes through the center of the circle. compute the radius of the circle. I DON'T KNOW HOW TO DO THIS AT ALL....
  88. t

    what are the measures of the other two angles of an oblique triangle if the angle between the 6.5m. side and the 10.5 m. side is about 60 degree
  89. Geometry

    Theorem: A line parallel to one side of a triangle divides the other two proportionately. In the figure below, segment DE is parallel to segment BC and segment EF is parallel to AB: The figure shows triangle ABC with segments DE and DF. Point D is on side AB, point E is on ...
  90. math

    the perimeter of a triangle is 23 cm. all side lengths are integers. if one side measures 5cm, what is the length of the largest possible side?
  91. math

    The measures of two sides of a triangle are 9 and 15. Use an inequality to express the range of the measure of the third side,m.
  92. geometry

    If the sum of the lenghts of two sides of a triangle is 15, what is the largest possible integral value for the third side?
  93. Maths

    Prove that any two sides of a triangle are together greater than twice the median drawn to third side.
  94. algebra

    how would you set this up Two sides of a triangle measure 11.4 cm and 16.2 cm. If the perimeter is 32.1 cm, what is the length of the third side in centimeters?
  95. math

    the perimeter of a triangle is 76 centimeters. the second side is twice as long as the first side. the third side is four centimeters shorter than the second side. how long is each side?
  96. ALGEBRA

    The perimeter of a triangle is 76 centimeter. The second side is twice as long as the frist side. The thrid side is four centimeter shorter than the second side. How long is each side?
  97. algebra

    parallel lines have ____ slopes. same?? perpendicular lines have ____ slopes. ??
  98. geometry

    A table is shaped like a regular hexagon. The length of one side is (3x + 3) in. and the length of another side is (4x − 4) in.. Find the length of a side.
  99. math

    A table is shaped like a regular hexagon. The length of one side is (2x + 2) in. and the length of another side is (3x − 4) in.. Find the length of a side
  100. Physics

    You pull downward with a force of 27 N on a rope that passes over a disk-shaped pulley of mass 1.3 kg and radius 0.075 m. The other end of the rope is attached to a 0.61 kg mass. Find the tension in the rope on both sides of the pulley. I found that the tension on the side you...
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